PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XLS 3 1/4Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-155-8963 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-8963 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-8963. Primary manufacturer part number: XLS 3 1/4.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Departure From Cited Designator: AS MODIFIED BY OVERALL OUTSIDE DIAMETER
  • Departure From Cited Designator: AS MODIFIED BY OVERALL OUTSIDE DIAMETER
  • Nondefinitive Spec/std Data: 115 TYPE AND 00 GRADE
  • Material: STEEL OVERALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Bore Diameter: 3.2500 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-8963, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-8963
Primary Part NumberXLS 3 1/4
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Load DirectionRADIAL
Departure From Cited DesignatorAS MODIFIED BY OVERALL OUTSIDE DIAMETER
Departure From Cited DesignatorAS MODIFIED BY OVERALL OUTSIDE DIAMETER
Nondefinitive Spec/std Data115 TYPE AND 00 GRADE
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter3.2500 INCHES NOMINAL IN
Load DirectionRADIAL
Retainer Fabrication MethodPRESSED
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore ShapeSTRAIGHT
Overall Outside Diameter4.7500 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data115 TYPE AND 00 GRADE
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-281-4835712133 INTERCHANGEABLE
Pin,turbine Rotor
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3439-00-357-7808712133 INTERCHANGEABLE
Solder,tin Alloy
Canfield Technologies, Llc
Cross-Reference Index
Part NumberManufacturer
XLS 3 1/4 PRIMARY Skf Usa Inc. (USA)
XLS31-4 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
6160770 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
215292-8 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
XLS3 1-4TF PRIMARY Fag Bearings Corporation (USA)
XLS-3-1/4 Trw Inc Bearings Div Plainville Plant (USA)
160770 Kenosha Automotive Plant Sub of American Motors Corp (USA)
177039-16 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
XLS3-1-4 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
XLS-3-1/4 Duchossois Industries Inc Chamberlain Mrc Div (USA)
8914-64 Arma Div Ambac Industries Inc
160770 Hercules Engine Co Inc (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
712133 Army Weapons Command Attn Amswe-Ree-S (USA)
H160770 Kenosha Automotive Plant Sub of American Motors Corp (USA)
XLS3 1-4 PRIMARY Fag Bearings Corporation (USA)
6160770 Hercules Engine Co Inc (USA)
XLS3 1-4 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
XLS3 1-4 Equitable Bearing Co Inc (USA)
160770 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
Related Parts
5315-00-281-4835INTERCHANGEABLE
PIN,TURBINE ROTOR
712133
3439-00-357-7808INTERCHANGEABLE
SOLDER,TIN ALLOY
712133

Frequently Asked Questions

What is NSN 3110-00-155-8963?

NSN 3110-00-155-8963 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-8963?

NSN 3110-00-155-8963 has 20 cross-referenced part numbers: XLS 3 1/4 (Skf Usa Inc.), XLS31-4 (Schatz Bearing Corporation Dba Schatz Bearing Corp), 6160770 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 215292-8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), XLS3 1-4TF (Fag Bearings Corporation) and 15 more.

What NSN replaces 3110-00-155-8963?

There are 2 known substitutes for 3110-00-155-8963: 5315-00-281-4835, 3439-00-357-7808. Verify interchangeability with system specifications before substitution.

What are the specifications of XLS 3 1/4?

Key specifications for XLS 3 1/4: Load Direction: RADIAL; Departure From Cited Designator: AS MODIFIED BY OVERALL OUTSIDE DIAMETER; Departure From Cited Designator: AS MODIFIED BY OVERALL OUTSIDE DIAMETER; Nondefinitive Spec/std Data: 115 TYPE AND 00 GRADE. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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